On December 18, the national testing machine standard committee came to our company accompanied by Ruan Weixin, chairman of our company, and Ruan Haixiang, general manager. First of all, I visited the equipment exhibition hall of our company. Ruan Weixin, chairman of the board of directors, made a brief introduction to the function, function, management mode of the equipment and the achievements made in the test instruments and equipment. The national test machine standard committee and other me…